It is a multiple image program in which we can add multiple image at one time to see grouped photos. Error during template rendering
In template C:Usersadevmysiteemplatesase.html, error at line 15
I am able to open my admin panel but i am not able to my files. thus please help me to find error:
models.py
from django.db import models
class Post(models.Model):
title = models.CharField(max_length=120)
description = models.TextField()
image = models.ImageField(upload_to='products/', null=True, blank=True)
def __str__(self):
return self.title
class PostImage(models.Model):
post = models.ForeignKey(Post, default=None, on_delete=models.CASCADE)
image = models.ImageField(upload_to='images/')
def __str__(self):
return self.post.title
views.py
from django.shortcuts import render, get_object_or_404
from .models import Post, PostImage
def blog_view(request):
posts = Post.objects.all()
return render(request, 'blog.html', {'posts':posts})
def detail_view(request, id):
post = get_object_or_404(Post, id=id)
photos = PostImage.objects.filter(post=post)
return render(request, 'detail.html', {
'post':post,
'photos':photos,
})
admin.py
from django.contrib import admin
from .models import Post, PostImage
class PostImageAdmin(admin.StackedInline):
model=PostImage
@admin.register(Post)
class PostAdmin(admin.ModelAdmin):
inlines = [PostImageAdmin]
class Meta:
model=Post
@admin.register(PostImage)
class PostImageAdmin(admin.ModelAdmin):
pass
base.html
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha2/css/bootstrap.min.css" integrity="sha384-DhY6onE6f3zzKbjUPRc2hOzGAdEf4/Dz+WJwBvEYL/lkkIsI3ihufq9hk9K4lVoK" crossorigin="anonymous">
<title>Multi Image Tutorial</title>
</head>
<body>
<div class="container py-4">
{% block content %}
{% endblock %}
</div>
<script src="https://code.jquery.com/jquery-3.4.1.slim.min.js" integrity="sha384-J6qa4849blE2+poT4WnyKhv5vZF5SrPo0iEjwBvKU7imGFAV0wwj1yYfoRSJoZ+n" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>
</body>
</html>
blog.html
{% extends 'base.html' %}
{% block content %}
<div class="row row-cols-1 row-cols-md-2">
{% for post in posts %}
<div class="col mb-4">
<div class="card">
<div class="view overlay">
<img class="card-img-top" src="{{post.image.url}}"
alt="Card image cap" >
<a href="#">
<div class="mask rgba-white-slight"></div>
</a>
</div>
<div class="card-body">
<h4 class="card-title">{{post.title}}</h4>
<p class="card-text">{{post.description}}</p>
<a href="{% url 'detail' post.id %}" class="btn btn-primary btn-md">Read More</a>
</div>
</div>
<!---card-->
</div>
{% endfor %}
</div>
{% endblock %}
detail.html
{% extends 'base.html' %}
{% block content %}
<div id="carouselExampleIndicators" class="carousel slide" data-mdb-ride="carousel">
<ol class="carousel-indicators">
{% for p in photos %}
<li data-mdb-target="#carouselExampleIndicators" data-mdb-slide-to="{{forloop.counter0}}" class="{% if forloop.counter0 == 0 %} active {% endif %}"></li>
{% endfor %}
</ol>
<div class="carousel-inner" role="listbox">
{% for p in photos %}
<div class="carousel-item {% if forloop.counter0 == 0 %} active {% endif %}">
<img
src="https://mdbootstrap.com/img/new/slides/041.jpg"
class="d-block w-100"
alt="First slide"/>
</div>
{% endfor %}
</div>
<a
class="carousel-control-prev"
href="#carouselExampleIndicators"
role="button"
data-mdb-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="visually-hidden">Previous</span>
</a>
<a
class="carousel-control-next"
href="#carouselExampleIndicators"
role="button"
data-mdb-slide="next" >
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="visually-hidden">Next</span>
</a>
</div>
{% endblock %}
urls.py
from django.conf.urls import url
from django.contrib import admin
from django.conf import settings
from django.conf.urls.static import static
from posts import views
urlpatterns = [
url(r'^youadmin/', admin.site.urls),
url(r'^', views.blog_view, name='blog'),
url(r'^<int:id>/', views.detail_view, name='detail'),
] + static (settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
question from:
https://stackoverflow.com/questions/65871007/noreversematch-at-reverse-for-detail-with-arguments-1-not-found-1-pat 
